<!-- extends表明此页面继承自 base.html 文件 -->
{% extends "base.html" %}
{% load staticfiles %}
{% load my_filters_and_tags %}

<!-- 写入 base.html 中定义的 title -->
{% block title %}
    首页
{% endblock title %}

<!-- 写入 base.html 中定义的 content -->
{% block content %}

    <!-- 定义放置文章标题的div容器 -->
    <div class="container">
        <!-- 面包屑导航 -->
        <nav aria-label="breadcrumb">
            <ol class="breadcrumb">
                <li class="breadcrumb-item">
                    <a href="{% url 'article:article_list' %}?search={{ search }}&column={{ column }}&tag={{ tag }}">
                        最新
                    </a>
                </li>
                <li class="breadcrumb-item">
                    <a href="{% url 'article:article_list' %}?order=total_views&search={{ search }}&column={{ column }}&tag={{ tag }}">
                        最热
                    </a>
                </li>
            </ol>
        </nav>

        <!-- 搜索栏 -->
        <div class="row">
            <div class="col-auto mr-auto">
                <form class="form-inline">
                    <label class="sr-only">content</label>
                    <input type="text"
                           class="form-control mb-2 mr-sm-2"
                           name="search"
                           placeholder="搜索文章..."
                           required
                    >
                </form>
            </div>
        </div>

        <!-- 搜索提示语 -->
        {% if search %}
            {% if articles %}
                <h4><span style="color: red">"{{ search }}"</span>的搜索结果如下：</h4>
                <hr>
            {% else %}
                <h4>暂无<span style="color: red">"{{ search }}"</span>有关的文章。</h4>
                <hr>
            {% endif %}
        {% endif %}

        <!-- 列表循环 -->
        <div class="row mt-2">
            {% for article in articles %}
                <!-- 文章内容 -->

                <!-- 标题图 -->
                {% if article.avatar %}
                    <div class="col-3">
                        <img src="{{ article.avatar.url }}"
                             alt="avatar"
                             style="max-width:100%; border-radius: 20px"
                        >
                    </div>
                {% endif %}

                <div class="col">
                    <!-- 栏目 -->
                    {% if article.column %}
                        <a role="button"
                           href="{% url 'article:article_list' %}?column={{ article.column.id }}"
                           class="btn btn-sm mb-2
                            {% if article.column.title == 'Django' %}
                                btn-success
                            {% elif article.column.title == 'Java' %}
                                btn-danger
                            {% elif article.column.title == 'HTML' %}
                                btn-warning
                            {% endif %}
                        "
                        >
                            {{ article.column }}
                        </a>
                    {% endif %}

                    <!-- 标签 -->
                    <span>
                    {% for tag in article.tags.all %}
                        <a href="{% url 'article:article_list' %}?tag={{ tag }}"
                           class="badge badge-secondary"
                        >
                            {{ tag }}
                        </a>
                    {% endfor %}
                </span>

                    <!-- 标题 -->
                    <h4>
                        <b>
                            <a href="{% url 'article:article_detail' article.id %}"
                               style="color: black;"
                            >
                                {{ article.title }}
                            </a>
                        </b>
                    </h4>
                    <!-- 摘要 -->
                    <div>
                        <p style="color: gray;">
                            {{ article.body|safe|striptags|truncatechars:100 }}...
                        </p>
                    </div>
                    <!-- 注脚 -->
                    <p>
                        <!-- 附加信息 -->
                        <span>
                        <i class="fas fa-eye" style="color: lightskyblue;"></i>
                        {{ article.total_views }}&nbsp;&nbsp;&nbsp;
                    </span>
                        <span>
                        <i class="fas fa-comments" style="color: yellowgreen;"></i>
                        {{ article.comments.count }}&nbsp;&nbsp;&nbsp;
                    </span>
                        <span>
                        <i class="fas fa-clock" style="color: pink;"></i>
                            <!--
                        {{ article.created|date:'Y-m-d' }}
                        -->
                        {{ article.created|timesince_zh }}
                    </span>
                    </p>
                </div>
                <hr style="width: 100%;"/>
            {% endfor %}
        </div>

        <!-- 页码导航 -->
        <div class="pagination row">
            <div class="m-auto">
            <span class="step-links">
                <!-- 如果不是第一页，则显示上翻按钮 -->
                {% if articles.has_previous %}
                    <a href="?page=1&order={{ order }}&search={{ search }}&column={{ column }}&tag={{ tag }}"
                       class="btn btn-success">
                        &laquo; 1
                    </a>
                    <span>...</span>
                    <a href="?page={{ articles.previous_page_number }}&order={{ order }}&search={{ search }}&column={{ column }}&tag={{ tag }}"
                       class="btn btn-secondary"
                    >
                        {{ articles.previous_page_number }}
                    </a>
                {% endif %}

                <!-- 当前页面 -->
                <span class="current btn btn-danger btn-lg">
                    {{ articles.number }}
                </span>

                <!-- 如果不是最末页，则显示下翻按钮 -->
                {% if articles.has_next %}
                    <a href="?page={{ articles.next_page_number }}&order={{ order }}&search={{ search }}&column={{ column }}&tag={{ tag }}"
                       class="btn btn-secondary"
                    >
                        {{ articles.next_page_number }}
                    </a>
                    <span>...</span>
                    <a href="?page={{ articles.paginator.num_pages }}&order={{ order }}&search={{ search }}&column={{ column }}&tag={{ tag }}"
                       class="btn btn-success"
                    >
                        {{ articles.paginator.num_pages }} &raquo;
                    </a>
                {% endif %}
            </span>
            </div>
        </div>

    </div>

{% endblock content %}